age =79
'''
if age < 4:
    print('Your admission cost is $0.')
elif age < 18:
    print('Your admission cost is $5.')
else:
    print('Your admission cost is $10.')
'''
if age < 4:
    price = 0
elif age < 18:
    price = 5
elif age < 65:
    price = 10
elif age >= 65:
    price = 5

print('Your admission cost is $%d' % price + '.')
